Month after month， Professor Eve receives a bouquet of prismatic colored roses with a card that reads ”To my beloved Maria” from an expert in romance novels， Seishiro Narumi. Leon， who doesn't know that Seishiro is Eve's real father starts to doubt the two's relationship and goes to his house to confront him. Meanwhile， Eve finds out the chief wants to leave the love research center in the hands of Nadeshiko. But who is more suitable for the job?! The ultimate love guidance. The heartwarming finale!!